$\frac{d}{dx}x^5-x^3+3$

$x-2y+3y+x$

$a^{15}-216$

$\frac{\ln\left(0.5\right)}{0.024}$

$\lim_{x\to\infty}\left(\sqrt{x^2-4}-\sqrt{x^2+6x+2}\right)$

$\lim_{x\to0}\left(\frac{sin\left(x\right)-x}{2x^2}\right)$

$\int\frac{5\sqrt[4]{x}+2x^3-4x^{-4}+\sqrt{x}}{2\sqrt{x}}dx$